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|
"""
sphinx.writers.manpage
~~~~~~~~~~~~~~~~~~~~~~
Manual page writer, extended for Sphinx custom nodes.
:copyright: Copyright 2007-2019 by the Sphinx team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import warnings
from typing import Any, Dict, Iterable
from typing import cast
from docutils import nodes
from docutils.nodes import Element, Node, TextElement
from docutils.writers.manpage import (
Writer,
Translator as BaseTranslator
)
from sphinx import addnodes
from sphinx.builders import Builder
from sphinx.deprecation import RemovedInSphinx40Warning
from sphinx.locale import admonitionlabels, _
from sphinx.util import logging
from sphinx.util.docutils import SphinxTranslator
from sphinx.util.i18n import format_date
from sphinx.util.nodes import NodeMatcher
logger = logging.getLogger(__name__)
class ManualPageWriter(Writer):
def __init__(self, builder: Builder) -> None:
super().__init__()
self.builder = builder
def translate(self) -> None:
transform = NestedInlineTransform(self.document)
transform.apply()
visitor = self.builder.create_translator(self.document, self.builder)
self.visitor = cast(ManualPageTranslator, visitor)
self.document.walkabout(visitor)
self.output = self.visitor.astext()
class NestedInlineTransform:
"""
Flatten nested inline nodes:
Before:
<strong>foo=<emphasis>1</emphasis>
&bar=<emphasis>2</emphasis></strong>
After:
<strong>foo=</strong><emphasis>var</emphasis>
<strong>&bar=</strong><emphasis>2</emphasis>
"""
def __init__(self, document: nodes.document) -> None:
self.document = document
def apply(self, **kwargs) -> None:
matcher = NodeMatcher(nodes.literal, nodes.emphasis, nodes.strong)
for node in self.document.traverse(matcher): # type: TextElement
if any(matcher(subnode) for subnode in node):
pos = node.parent.index(node)
for subnode in reversed(node[1:]):
node.remove(subnode)
if matcher(subnode):
node.parent.insert(pos + 1, subnode)
else:
newnode = node.__class__('', '', subnode, **node.attributes)
node.parent.insert(pos + 1, newnode)
class ManualPageTranslator(SphinxTranslator, BaseTranslator):
"""
Custom translator.
"""
_docinfo = {} # type: Dict[str, Any]
def __init__(self, *args) -> None:
if isinstance(args[0], nodes.document) and isinstance(args[1], Builder):
document, builder = args
else:
warnings.warn('The order of arguments for ManualPageTranslator has been changed. '
'Please give "document" as 1st and "builder" as 2nd.',
RemovedInSphinx40Warning, stacklevel=2)
builder, document = args
super().__init__(document, builder)
self.in_productionlist = 0
# first title is the manpage title
self.section_level = -1
# docinfo set by man_pages config value
self._docinfo['title'] = self.settings.title
self._docinfo['subtitle'] = self.settings.subtitle
if self.settings.authors:
# don't set it if no author given
self._docinfo['author'] = self.settings.authors
self._docinfo['manual_section'] = self.settings.section
# docinfo set by other config values
self._docinfo['title_upper'] = self._docinfo['title'].upper()
if self.config.today:
self._docinfo['date'] = self.config.today
else:
self._docinfo['date'] = format_date(self.config.today_fmt or _('%b %d, %Y'),
language=self.config.language)
self._docinfo['copyright'] = self.config.copyright
self._docinfo['version'] = self.config.version
self._docinfo['manual_group'] = self.config.project
# Overwrite admonition label translations with our own
for label, translation in admonitionlabels.items():
self.language.labels[label] = self.deunicode(translation) # type: ignore
# overwritten -- added quotes around all .TH arguments
def header(self) -> str:
tmpl = (".TH \"%(title_upper)s\" \"%(manual_section)s\""
" \"%(date)s\" \"%(version)s\" \"%(manual_group)s\"\n"
".SH NAME\n"
"%(title)s \\- %(subtitle)s\n")
return tmpl % self._docinfo
def visit_start_of_file(self, node: Element) -> None:
pass
def depart_start_of_file(self, node: Element) -> None:
pass
def visit_desc(self, node: Element) -> None:
self.visit_definition_list(node)
def depart_desc(self, node: Element) -> None:
self.depart_definition_list(node)
def visit_desc_signature(self, node: Element) -> None:
self.visit_definition_list_item(node)
self.visit_term(node)
def depart_desc_signature(self, node: Element) -> None:
self.depart_term(node)
def visit_desc_signature_line(self, node: Element) -> None:
pass
def depart_desc_signature_line(self, node: Element) -> None:
self.body.append(' ')
def visit_desc_addname(self, node: Element) -> None:
pass
def depart_desc_addname(self, node: Element) -> None:
pass
def visit_desc_type(self, node: Element) -> None:
pass
def depart_desc_type(self, node: Element) -> None:
pass
def visit_desc_returns(self, node: Element) -> None:
self.body.append(' -> ')
def depart_desc_returns(self, node: Element) -> None:
pass
def visit_desc_name(self, node: Element) -> None:
pass
def depart_desc_name(self, node: Element) -> None:
pass
def visit_desc_parameterlist(self, node: Element) -> None:
self.body.append('(')
self.first_param = 1
def depart_desc_parameterlist(self, node: Element) -> None:
self.body.append(')')
def visit_desc_parameter(self, node: Element) -> None:
if not self.first_param:
self.body.append(', ')
else:
self.first_param = 0
def depart_desc_parameter(self, node: Element) -> None:
pass
def visit_desc_optional(self, node: Element) -> None:
self.body.append('[')
def depart_desc_optional(self, node: Element) -> None:
self.body.append(']')
def visit_desc_annotation(self, node: Element) -> None:
pass
def depart_desc_annotation(self, node: Element) -> None:
pass
def visit_desc_content(self, node: Element) -> None:
self.visit_definition(node)
def depart_desc_content(self, node: Element) -> None:
self.depart_definition(node)
def visit_versionmodified(self, node: Element) -> None:
self.visit_paragraph(node)
def depart_versionmodified(self, node: Element) -> None:
self.depart_paragraph(node)
# overwritten -- don't make whole of term bold if it includes strong node
def visit_term(self, node: Element) -> None:
if node.traverse(nodes.strong):
self.body.append('\n')
else:
super().visit_term(node)
# overwritten -- we don't want source comments to show up
def visit_comment(self, node: Element) -> None: # type: ignore
raise nodes.SkipNode
# overwritten -- added ensure_eol()
def visit_footnote(self, node: Element) -> None:
self.ensure_eol()
super().visit_footnote(node)
# overwritten -- handle footnotes rubric
def visit_rubric(self, node: Element) -> None:
self.ensure_eol()
if len(node) == 1 and node.astext() in ('Footnotes', _('Footnotes')):
self.body.append('.SH ' + self.deunicode(node.astext()).upper() + '\n')
raise nodes.SkipNode
else:
self.body.append('.sp\n')
def depart_rubric(self, node: Element) -> None:
self.body.append('\n')
def visit_seealso(self, node: Element) -> None:
self.visit_admonition(node, 'seealso')
def depart_seealso(self, node: Element) -> None:
self.depart_admonition(node)
def visit_productionlist(self, node: Element) -> None:
self.ensure_eol()
names = []
self.in_productionlist += 1
self.body.append('.sp\n.nf\n')
productionlist = cast(Iterable[addnodes.production], node)
for production in productionlist:
names.append(production['tokenname'])
maxlen = max(len(name) for name in names)
lastname = None
for production in productionlist:
if production['tokenname']:
lastname = production['tokenname'].ljust(maxlen)
self.body.append(self.defs['strong'][0])
self.body.append(self.deunicode(lastname))
self.body.append(self.defs['strong'][1])
self.body.append(' ::= ')
elif lastname is not None:
self.body.append('%s ' % (' ' * len(lastname)))
production.walkabout(self)
self.body.append('\n')
self.body.append('\n.fi\n')
self.in_productionlist -= 1
raise nodes.SkipNode
def visit_production(self, node: Element) -> None:
pass
def depart_production(self, node: Element) -> None:
pass
# overwritten -- don't emit a warning for images
def visit_image(self, node: Element) -> None:
if 'alt' in node.attributes:
self.body.append(_('[image: %s]') % node['alt'] + '\n')
self.body.append(_('[image]') + '\n')
raise nodes.SkipNode
# overwritten -- don't visit inner marked up nodes
def visit_reference(self, node: Element) -> None:
self.body.append(self.defs['reference'][0])
# avoid repeating escaping code... fine since
# visit_Text calls astext() and only works on that afterwards
self.visit_Text(node) # type: ignore
self.body.append(self.defs['reference'][1])
uri = node.get('refuri', '')
if uri.startswith('mailto:') or uri.startswith('http:') or \
uri.startswith('https:') or uri.startswith('ftp:'):
# if configured, put the URL after the link
if self.builder.config.man_show_urls and \
node.astext() != uri:
if uri.startswith('mailto:'):
uri = uri[7:]
self.body.extend([
' <',
self.defs['strong'][0], uri, self.defs['strong'][1],
'>'])
raise nodes.SkipNode
def visit_number_reference(self, node: Element) -> None:
text = nodes.Text(node.get('title', '#'))
self.visit_Text(text)
raise nodes.SkipNode
def visit_centered(self, node: Element) -> None:
self.ensure_eol()
self.body.append('.sp\n.ce\n')
def depart_centered(self, node: Element) -> None:
self.body.append('\n.ce 0\n')
def visit_compact_paragraph(self, node: Element) -> None:
pass
def depart_compact_paragraph(self, node: Element) -> None:
pass
def visit_download_reference(self, node: Element) -> None:
pass
def depart_download_reference(self, node: Element) -> None:
pass
def visit_toctree(self, node: Element) -> None:
raise nodes.SkipNode
def visit_index(self, node: Element) -> None:
raise nodes.SkipNode
def visit_tabular_col_spec(self, node: Element) -> None:
raise nodes.SkipNode
def visit_glossary(self, node: Element) -> None:
pass
def depart_glossary(self, node: Element) -> None:
pass
def visit_acks(self, node: Element) -> None:
bullet_list = cast(nodes.bullet_list, node[0])
list_items = cast(Iterable[nodes.list_item], bullet_list)
self.ensure_eol()
bullet_list = cast(nodes.bullet_list, node[0])
list_items = cast(Iterable[nodes.list_item], bullet_list)
self.body.append(', '.join(n.astext() for n in list_items) + '.')
self.body.append('\n')
raise nodes.SkipNode
def visit_hlist(self, node: Element) -> None:
self.visit_bullet_list(node)
def depart_hlist(self, node: Element) -> None:
self.depart_bullet_list(node)
def visit_hlistcol(self, node: Element) -> None:
pass
def depart_hlistcol(self, node: Element) -> None:
pass
def visit_literal_emphasis(self, node: Element) -> None:
return self.visit_emphasis(node)
def depart_literal_emphasis(self, node: Element) -> None:
return self.depart_emphasis(node)
def visit_literal_strong(self, node: Element) -> None:
return self.visit_strong(node)
def depart_literal_strong(self, node: Element) -> None:
return self.depart_strong(node)
def visit_abbreviation(self, node: Element) -> None:
pass
def depart_abbreviation(self, node: Element) -> None:
pass
def visit_manpage(self, node: Element) -> None:
return self.visit_strong(node)
def depart_manpage(self, node: Element) -> None:
return self.depart_strong(node)
# overwritten: handle section titles better than in 0.6 release
def visit_caption(self, node: Element) -> None:
if isinstance(node.parent, nodes.container) and node.parent.get('literal_block'):
self.body.append('.sp\n')
else:
super().visit_caption(node)
def depart_caption(self, node: Element) -> None:
if isinstance(node.parent, nodes.container) and node.parent.get('literal_block'):
self.body.append('\n')
else:
super().depart_caption(node)
# overwritten: handle section titles better than in 0.6 release
def visit_title(self, node: Element) -> None:
if isinstance(node.parent, addnodes.seealso):
self.body.append('.IP "')
return
elif isinstance(node.parent, nodes.section):
if self.section_level == 0:
# skip the document title
raise nodes.SkipNode
elif self.section_level == 1:
self.body.append('.SH %s\n' %
self.deunicode(node.astext().upper()))
raise nodes.SkipNode
return super().visit_title(node)
def depart_title(self, node: Element) -> None:
if isinstance(node.parent, addnodes.seealso):
self.body.append('"\n')
return
return super().depart_title(node)
def visit_raw(self, node: Element) -> None:
if 'manpage' in node.get('format', '').split():
self.body.append(node.astext())
raise nodes.SkipNode
def visit_meta(self, node: Element) -> None:
raise nodes.SkipNode
def visit_inline(self, node: Element) -> None:
pass
def depart_inline(self, node: Element) -> None:
pass
def visit_math(self, node: Element) -> None:
pass
def depart_math(self, node: Element) -> None:
pass
def visit_math_block(self, node: Element) -> None:
self.visit_centered(node)
def depart_math_block(self, node: Element) -> None:
self.depart_centered(node)
def unknown_visit(self, node: Node) -> None:
raise NotImplementedError('Unknown node: ' + node.__class__.__name__)
|